import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt(),m = in.nextInt(),q = in.nextInt();
        int[][] ret = new int[n + 1][m + 1];
        for(int i = 1;i <= n;i++)
            for(int j = 1;j <= m;j++) ret[i][j] = in.nextInt();

        long[][] dp = new long[n + 1][m + 1];
        for(int i = 1;i <= n;i++)
            for(int j = 1;j <= m;j++)
                dp[i][j] = dp[i][j - 1] + dp[i - 1][j] + ret[i][j] - dp[i - 1][j - 1];


        while(q > 0) {
            int x1 = in.nextInt(),y1 = in.nextInt(),x2 = in.nextInt(),y2 = in.nextInt();
            System.out.println(dp[x2][y2] - dp[x1 - 1][y2] - dp[x2][y1 - 1] + dp[x1 - 1][y1 - 1]);
            q--;
        }
    }
}